Most of the officers have not been publicly identified; only a few have been charged. Some were identified by online sleuths.
Several officers said they were given next to no warning by leadership on the morning of Jan. 6 about what would become a growing force of thousands of rioters.
The FBI is warning of plans for armed protests at all 50 state capitals and in Washington, D.C., in the days leading up to President-elect Joe Biden’s inauguration.
Only one lawmaker was known to have gotten inside the Capitol and since was charged with a crime and resigned.
Sicknick’s death has shaken America as it grapples with how an armed mob could storm the halls of the U.S. Capitol as the presidential election results were being certified
The statement was accompanied by an image of a masked suspect wearing gloves and a hooded sweatshirt, carrying an object.
The U.S. Capitol Police said Officer Brian D. Sicknick was injured "while physically engaging with protesters" during the Wednesday riot, later dying in hospital.
The siege of the Capitol, home to both the U.S. Senate and the House of Representatives, represents one of the gravest security lapses in recent U.S. history.
Democrats said it appeared Capitol police were not prepared for the violent breaching of the government building, with some suggesting there could be firings and other punishments.